html,
body {
    height: 100%
}

body {
    padding-top: 45px;
    padding-bottom: 50px;
}

@color: #0c93cb;

/*  头 */

.lt_header {
    position: fixed;
    top: 0;
    height: 45px;
    width: 100%;
    background: @color;
    text-align: center;
    padding: 10px 10px;
    z-index: 100;
    .lt_title {
        color: #fff;
    }
    .lt_h_right {
        float: right;
        color: inherit;
    }
    .lt_h_left {
        float: left;
        color: inherit;
    }
}


/*  尾 */

.lt_footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 50px;
    background: #0c93cb;
    padding: 4px;
    z-index: 100px;
    >a {
        width: 25%;
        text-align: center;
        float: left;
        color: #fff;
        >p {
            color: inherit;
        }
    }
    .active {
        color: rgb(230, 102, 18);
    }
}